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<h1>Ontop</h1>

<p>Ontop is a framework for ontology based data access (OBDA). It supports SPARQL over
    virtual RDF graphs defined through declarative mappings to relational databases.</p>

<ul>
    <li>Current version: 3.0.0</li>
    <li>Release date: 23/08/2019</li>
    <li><a href="https://github.com/ontop/ontop/wiki/OntopReleases">Changelog</a></li>
</ul>

<h2>Links</h2>

<ul>
    <li>Official Website: <a href="http://ontop.inf.unibz.it/">http://ontop.inf.unibz.it/</a></li>
    <li>Download: <a href="http://sourceforge.net/projects/ontop4obda/files/">http://sourceforge.net/projects/ontop4obda/files/</a></li>
    <li>Document Wiki: <a href="https://github.com/ontop/ontop/wiki">https://github.com/ontop/ontop/wiki</a></li>
    <li>Google Group: <a href="https://groups.google.com/forum/#!forum/ontop4obda">https://groups.google.com/forum/#!forum/ontop4obda</a></li>
    <li>Source Code: <a href="https://github.com/ontop/ontop">https://github.com/ontop/ontop</a></li>
    <li>Facebook: <a href="https://www.facebook.com/obdaontop/">https://www.facebook.com/obdaontop/</a></li>
    <li>Twitter: <a href="https://twitter.com/ontop4obda">https://twitter.com/ontop4obda</a></li>
    <li>Issue Tracker: <a href="https://github.com/ontop/ontop/issues">https://github.com/ontop/ontop/issues</a></li>
</ul>

<h2>License</h2>

<p>The Ontop framework is available under the Apache License, Version 2.0</p>

<pre><code>  Copyright (C) 2009 - 2019 Free University of Bozen-Bolzano

    Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
</code></pre>
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